Silver halide color reversal photographic material
US4497893A · kind A · utility
6Cited by
5References
19Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 31, 1984 |
| Grant date | Feb 5, 1985 |
| Priority date | — |
| Expiry date | Jan 31, 2004 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S430/151
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A silver halide color reversal photographic material comprising a backing layer containing both gelatin of an isoelectric point of 5.5 or more and a cationic polymer is disclosed. By utilizing the particular backing layer the color reversal photographic material has increased retouchability.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.